Special Types of Breast Cancer

Special Types of Breast Cancer are often referred to as no special type (NST). These cancers include:

Medullary Breast Cancer make up 5% of all breast cancers, they have bigger cancer cells and contain white cells.

Mucinous (mucoid or colloid) Breast Cancer make up to 2% of all breast cancers are slow growing and have less spread to lymph.

Tubular Breast Cancer makes up 1% of all breast cancers. The cancer cells are tubular in shape.

Adenoid cystic carcinoma of the breast, (cibriform cancer), make up 1% of all breast cancers. These usually involve lumpectomy due to restricted spread and lymph nodes are often not removed. Risk of recurrence is low.

Papillary Breast Cancer has fern shape cells, usually affects the older woman and can be benign.

Metaplastic Breast Cancer is a breast cancer with two cell types.

Angio Sarcoma of the breast (haemangiosarcoma) occurs less than 1% in all breast cancers. Cancer starts in blood cells or lymph vessel lining and often found in supporting tissue or bone. This cancer is more common in woman of the age range 30 to 40 years. Can be seen as a lump around 4cm in size, and surrounding skin has a bluish colour. May be caused by chronic lymph oedema following mastectomy and radiotherapy.

Phyllodes or cystosarcoma phyllodes can be both malignant or benign. The cells may spread to the lymph but this is rare.

Lymphoma of the breast. This cancer contains lymphoid and breast tissue. Tests are usually carried out for lymphoid in other parts of the body.

Basal Type Breast Cancer is caused by a damaged or lost P53 gene. Cells make large amounts of protein called cytokeratin 5/6 and have few receptors or oestrogen.

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